Tetrahedron Letters p. 691 - 694 (1999)
Update date:2022-08-04
Topics:
Asfari, Zouhair
Lamare, Veronique
Dozol, Jean-Francois
Vicens, Jacques
It is reported the synthesis of calix[4]-bis-(tribenzo)crown-6 1 consisting of a calix[4]arene fixed in the 1,3-alternate conformation by the 1,3- and 2,4-bridges made of two modified polyether chains in which the three central ethylene links have been re
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